Lucas Oil Stadium: Home of the Indianapolis Colts

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The Indiana Stadium and Convention Building Authority (ISCBA) relied on ESCO to design and deliver a state-of-the-art sound system for Lucas Oil Stadium, an award winning, world class facility.

ESCO Communications was awarded the professional audio system project at the Lucas Oil Stadium in November of 2006.  The project was completed in August of 2008.  The Lucas Oil Stadium audio system consists of both analog and digital signals distributed throughout the building.  The digital audio signals utilize a packetized network protocol known as CobraNet.  CobraNet audio has very low latency and is better than CD quality audio, but has a very low tolerance for packet delay variations.  The CobraNet and amplifier/DSP control network traffic is transported on the fiber and copper infrastructure that is shared by the Lucas Oil Stadium computers, video distribution, PoE security cameras, VoIP phones, roof control, curtain control, etc.  The audio and control traffic consumes approximately 300 megabits per second of continuous bandwidth on the stadium’s converged network.  It was ESCO’s responsibility to design and configure the CobraNet traffic routing as to not overload any portion of the converged network as well as the digital audio components.  In the end, 3 separate VLANs were created for the CobraNet traffic and system control traffic.

The bowl audio system is used for notification in case of a fire.  To meet the requirements of the local fire code, redundancy was required for this system.  Considering the critical nature of the bowl audio system, ESCO took the initiative to work very closely with the network programming contractor.  We spent several days testing our equipment with the stadium network equipment at their test lab prior to installation.  After all of the testing, we identified what it was going to take to provide the necessary redundancy and limit the network traffic delays.

ESCO was responsible for designing and programming the graphical user interface screens for the 31 digital signal processors and 438 networks controlled audio amplifiers.  We worked very closely with the stadium’s end users to create and program the 150+ interface screens that contain the controls that ranged from global control to very granular control of the audio system.  The interface screens were also programmed to alert the users of any problems with network audio components.

Lucas Oil Stadium Statistics

  • 4,179 Total Speakers
  • 88 Main Array Speakers
  • 72 Center Array Speakers
  • 160 Total Array Speakers
  • 825 Bowl Speakers
  • 665 Delay Speakers
  • 58 Audio Racks
  • 438 Total Amplifiers
  • 69 Paging Zones
  • 42 Bundles of CobraNet Audio
  • 191 Channels of CobraNet Audio
  • 43 Channels of Media Matrix XDAB Audio